<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <title>Document</title>
    <link rel="stylesheet" href="test.css">
</head>

<body>
    <div class="body-div">
        <div class="layer">我是弹层</div>
        <div class="btn">按钮</div>
    </div>
    <script src="../2016-03-19/js/zepto.js"></script>
    <script src="test.js"></script>
</body>

</html>
